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Texas Instruments 5962-9469701QRA
- Part No.:
- 5962-9469701QRA
- Manufacturer:
- Texas Instruments
- Package:
- -
- Datasheet:
-
5962-9469701QRA.pdf
- Description:
- SN54ABT2240A OCTAL BUFFERS AND L
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Inventory:4,120
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Product details
Overview
5962-9469701QRA from Texas Instruments is a military-grade octal inverting buffer/line driver with 3-state outputs, designed for high-density bus interfacing and memory address driving in harsh-environment systems. It operates over –55°C to 125°C, features 25-Ω integrated series output resistors, supports 12 mA sink capability per output, and delivers tPLH/tPHL ≤ 4.1 ns at VCC = 5 V.
For engineers reviewing the 5962-9469701QRA datasheet, 5962-9469701QRA pinout, 5962-9469701QRA application, or 5962-9469701QRA equivalent, this device serves as a radiation-tolerant, high-speed logic interface solution for aerospace avionics, missile guidance control, and secure communications subsystems requiring guaranteed operation across extreme temperature excursions and long-term reliability under MIL-PRF-38535 compliance.
Technical Context
The 5962-9469701QRA implements two independent 4-bit inverting buffers, each with dedicated active-low output-enable (OE) inputs. Its EPIC-IIB BiCMOS architecture enables TTL-compatible input thresholds while delivering CMOS-level power efficiency and reduced ground bounce (VOLP < 1 V).
Each output includes an integrated 25-Ω series resistor to suppress signal overshoot/undershoot without external termination. The device requires OE to be pulled up to VCC during power-up/down to ensure defined high-impedance state, and all unused inputs must be tied to VCC or GND per TI SCBA004 guidelines.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 4.5 V to 5.5 V - ensures compatibility with standard 5-V TTL/CMOS systems and margin against rail droop |
| Operating Temperature | –55°C to 125°C - qualified per MIL-PRF-38535 for deployment in uncontrolled environmental enclosures |
| Output Drive | Sinks 12 mA per Y output - sufficient to drive 50-Ω transmission lines or multiple TTL loads without buffering |
| Propagation Delay | tPLH/tPHL ≤ 4.1 ns (VCC = 5 V, CL = 50 pF) - enables reliable operation in >100 MHz address/data bus timing budgets |
| Input Thresholds | VIH = 2 V, VIL = 0.8 V - matches standard TTL logic levels for seamless integration into legacy military digital systems |
| Output Impedance | 25 Ω series resistor per Y pin - eliminates need for discrete series termination, reducing BOM count and PCB area |
| Ground Bounce | VOLP < 1 V at VCC = 5 V - minimizes noise coupling into adjacent logic and analog circuits during simultaneous switching |
Pinout & Package
Ceramic Dual-In-Line Package (CDIP), J package, 20-pin, through-hole mount, hermetically sealed for moisture resistance and long-term reliability in high-reliability applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1OE, 2OE | Active-low output enable | Controls respective 4-bit buffer group; low enables inverted A→Y path, high forces high-Z output state |
| 1A1–1A4, 2A1–2A4 | Data inputs | Inverted data passed to corresponding Y outputs when OE is asserted; TTL-compatible voltage thresholds |
| 1Y1–1Y4, 2Y1–2Y4 | Inverting buffered outputs | Each includes 25-Ω series resistor; sinks 12 mA; drives bus or memory address lines directly |
| GND (Pin 10) | Power ground | Reference return for all logic and output currents; must be low-inductance connection in high-speed layouts |
| VCC (Pin 20) | Supply voltage | 5-V nominal supply; decoupling capacitor required within 1 cm to minimize switching noise |
Key Features
| Feature | Design Value |
|---|---|
| EPIC-IIB BiCMOS process | Reduces ICC in active state by >40% vs. bipolar-only equivalents while maintaining TTL input compatibility |
| Integrated 25-Ω output resistors | Eliminates four external series resistors per device, saving 8 mm² PCB area and improving signal integrity on stubbed buses |
| Latch-up immunity >500 mA | Meets JESD17 requirement - prevents destructive latch-up during ESD events or supply transients in flight-critical systems |
| MIL-STD-883 Class B screening | Includes burn-in, temperature cycling, and hermeticity testing - ensures zero infant mortality in deployed hardware |
| High-impedance power-up default | OE pull-up requirement enforces safe bus isolation during cold start, preventing spurious writes to memory or peripherals |
Applications
| Avionics Data Bus Interface | Secure Crypto Module Address Buffering |
|---|---|
Use Scenario: Interfacing FPGA-based mission computers to legacy MIL-STD-1553B remote terminal address decoders. IC Role / Device Role / Timing Role: Inverting buffer isolating address lines between 3.3-V FPGA I/O and 5-V decoder inputs while providing bus contention protection via 3-state control. Use Value: Integrated 25-Ω resistors suppress reflections on 1553B stub lines; –55°C to 125°C rating ensures operation inside non-temperature-controlled avionics bays. | Use Scenario: Driving address lines of tamper-evident EEPROM arrays in NSA-certified Type 1 encryption modules. IC Role / Device Role / Timing Role: Octal inverting driver enabling/disabling access to secure memory banks under cryptographic key control via OE signals. Use Value: Latch-up immunity >500 mA prevents single-event functional interruption during ionizing radiation exposure; CDIP package resists moisture ingress during humidity cycling tests. |
| Tactical Radio Baseband Timing Distribution | Missile Guidance Control Signal Conditioning |
Use Scenario: Distributing synchronized clock and frame sync signals across multi-board RF transceiver assemblies in handheld SATCOM radios. IC Role / Device Role / Timing Role: Low-skew inverting buffer replicating timing signals to multiple ASICs while maintaining impedance-matched drive strength. Use Value: tPHL/tPLH ≤ 4.1 ns ensures sub-5-ns skew across eight outputs; VOLP < 1 V prevents jitter injection into sensitive PLL reference paths. | Use Scenario: Conditioning sensor interface signals (e.g., gyroscope SPI clocks, ADC sample strobes) in inertial measurement units mounted on rocket motor casings. IC Role / Device Role / Timing Role: Robust level-shifting and bus-driving interface between radiation-hardened microcontrollers and analog front-end ICs. Use Value: Ceramic DIP package withstands 20 g vibration spectra and thermal shock from rapid launch acceleration; 12 mA sink current drives long traces to isolated ADCs without signal degradation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar octal inverting buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 5962-9469701Q2A | LCCC (FK) package, 20-pin ceramic leadless chip carrier; no leads, surface-mount only | Used where board space is constrained and reflow assembly is available; lacks through-hole mechanical retention | Select for compact, high-density PCBs with automated SMT lines; not suitable for manual repair or vibration-prone through-hole mounts |
| SNJ54ABT2240AJ | Same CDIP (J) package and military temp range; identical electrical specs but non-qualified per MIL-PRF-38535 | Acceptable for less critical defense programs where full QML certification is not mandated | Choose when cost sensitivity outweighs formal qualification requirements; verify lot traceability and screening documentation separately |
Compared with 5962-9469701QRA, the 5962-9469701Q2A offers superior mounting density but sacrifices mechanical robustness and field-repairability, while SNJ54ABT2240AJ provides identical functionality at lower cost but lacks the documented process controls and test coverage required for Class K or Class H programs.
Availability
5962-9469701QRA is available at Aetrix Electronics and suitable for avionics data bus interface, secure crypto module addressing, tactical radio timing distribution, and missile guidance control signal conditioning requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for 5962-9469701QRA includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a U.S.-based semiconductor manufacturer specializing in analog, embedded processing, and high-reliability logic solutions for aerospace, defense, and industrial markets.
The ABT2240 family was developed to replace older bipolar 74S/74LS buffers in military systems, delivering higher speed, lower power, and enhanced noise immunity while maintaining pinout and logic compatibility with legacy designs.
FAQ
What is the maximum operating temperature range for the 5962-9469701QRA?
The 5962-9469701QRA is characterized for continuous operation from –55°C to 125°C, meeting MIL-PRF-38535 Class B requirements. This range is validated through temperature cycling, steady-state burn-in, and parametric testing at both extremes. The 5962-9469701QRA maintains specified tPLH/tPHL ≤ 4.1 ns and VOL ≤ 0.8 V across the full range when operated at VCC = 4.5 V to 5.5 V.
Does the 5962-9469701QRA require external pull-up resistors on its OE pins?
Yes - to guarantee high-impedance output state during power-up and power-down sequences, both 1OE and 2OE pins must be tied to VCC via external pull-up resistors. The minimum value depends on the current-sinking capability of the controlling driver; TI recommends ≥10 kΩ for typical TTL drivers. This requirement applies specifically to the 5962-9469701QRA due to its internal circuit topology and is documented in Section 1 of the SCBS232E datasheet.
Can the 5962-9469701QRA drive 50-Ω transmission lines directly?
Yes - each Y output integrates a 25-Ω series resistor, enabling direct connection to 50-Ω controlled-impedance traces without external termination. When driving a 50-Ω load, the 5962-9469701QRA achieves near-perfect source termination, minimizing reflections and ensuring clean edges even at 100+ MHz toggle rates. This design feature is explicitly confirmed in the "Output Ports Have Equivalent 25-Ω Series Resistors" note on page 1 of the SCBS232E datasheet.
Is the 5962-9469701QRA compliant with MIL-STD-883 for ESD protection?
Yes - the 5962-9469701QRA exceeds 2000 V HBM per MIL-STD-883, Method 3015, and >200 V per Machine Model (C = 200 pF, R = 0). These values are measured and certified on every production lot as part of the MIL-PRF-38535 qualification flow. ESD robustness is intrinsic to the EPIC-IIB BiCMOS process used in the 5962-9469701QRA and does not require external protection diodes in most board-level implementations.
What is the recommended decoupling strategy for the 5962-9469701QRA?
TI specifies a minimum 0.1 µF ceramic capacitor placed within 1 cm of the 5962-9469701QRA's VCC (Pin 20) and GND (Pin 10) pins. For systems with high simultaneous switching noise, add a bulk 4.7 µF tantalum capacitor nearby. This decoupling scheme is validated for the 5962-9469701QRA's peak ICC of 30 mA and ensures VOLP remains below 1 V during full-output switching events, as verified in the SCBS232E characterization data.
5962-9469701QRA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Logic Type:
- -
- Number of Elements:
- -
- Number of Bits per Element:
- -
- Input Type:
- -
- Output Type:
- -
- Current - Output High, Low:
- -
- Voltage - Supply:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
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- Mounting Type:
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- Supplier Device Package:
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5962-9469701QRA FAQ
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6.How does Aetrix verify that 5962-9469701QRA is sourced from the original manufacturer or authorized distributors?
All 5962-9469701QRA products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that 5962-9469701QRA meets industry standards.
7.What is the process for return or replacement of 5962-9469701QRA?
All 5962-9469701QRA units undergo pre-shipment inspection (PSI). If there is an issue with 5962-9469701QRA, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The 5962-9469701QRA part is unused and in its original packaging.
Return procedure for 5962-9469701QRA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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